About Buenos Aires
Buenos Aires is a city located in Peru, in the Ancash Department region. According to the latest available data (2026), the population of Buenos Aires is approximately 158,385 residents, making it the #83 most populous city in Peru.
Globally, Buenos Aires ranks #10,733 among the world's most populated cities.
Buenos Aires City Statistics
| City | Buenos Aires |
| Country |  Peru |
| Population | 158,385 |
| Global Rank | #10,733 |
| Rank in Peru | #83 of 134 cities |
| City Category | city |
| Region | Ancash Department |
| Latitude | -9.1242 |
| Longitude | -78.4975 |
| Data Year | 2026 |
Where is Buenos Aires Located?
Buenos Aires is located in Peru, in the Ancash Department region, at coordinates -9.1242° latitude and -78.4975° longitude. Buenos Aires is located in the southern subtropics.
Nearby Cities
Other Cities in Peru
Largest Cities in Peru
| # | City | Population |
|---|---|---|
| 2 | Trujillo | 1,148,668 |
| 3 | San Juan de Lurigancho | 1,117,629 |
| 4 | Arequipa Province | 1,080,635 |
| 5 | Arequipa | 1,008,290 |
| 6 | Trujillo province | 970,016 |
Frequently Asked Questions
What is the population of Buenos Aires?
The population of Buenos Aires is approximately 158,385 residents according to the latest available data (2026).
Where is Buenos Aires located?
Buenos Aires is located in Peru at approximately -9.1242° latitude and -78.4975° longitude.
Is Buenos Aires one of the largest cities in Peru?
With a population of 158,385, Buenos Aires is one of the notable urban areas in Peru. It ranks #83 out of 134 cities in the country.
